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LM3478: COMP引脚电压问题

Part Number: LM3478
Other Parts Discussed in Thread: TINA-TI

此芯片正常的comp电压为多少?fb电压与此脚电压有关联吗?

我在使用tina-ti仿真时,借助webench设计,但是输出电压达不到标准值,此时fb电压约1.22v,comp引脚电压为1.58v

我能在设计中使用吗?是仿真的问题吗?

此为原理图,输入5v,输出60v@20ma